Mitt Romney Campaign Journey

BOSTON, MA - JUNE 2: Former Massachusetts Gov. Mitt Romney announces his candidacy for the Republican presidential nomination June 2, 2011 at Bittersweet Farm in Stratham, New Hampshire. This is Romney's second run for president following his bid in 2008 when he lost out to U.S. Senator John McCain (R-AZ). (Photo by Darren McCollester/Getty Images)

BOSTON, MA - JUNE 2: Former Massachusetts Gov. Mitt Romney (2nd L), with wife Ann (L), prepares to announce his candidacy for the Republican presidential nomination June 2, 2011 at Bittersweet Farm in Stratham, New Hampshire. This is Romney's second run for president following his bid in 2008 when he lost out to U.S. Senator John McCain (R-AZ). (Photo by Darren McCollester/Getty Images)

BOSTON, MA - JUNE 2: Former Massachusetts Gov. Mitt Romney (L), with wife Ann, waves to the crowd after announcing his candidacy for the Republican presidential nomination June 2, 2011 at Bittersweet Farm in Stratham, New Hampshire. This is Romney's second run for president following his bid in 2008 when he lost out to U.S. Senator John McCain (R-AZ). (Photo by Darren McCollester/Getty Images)

Republican Presidential Candidates Romney and Huntsman Campaign In New Hampshire On July 4th

AMHERST, NH - JULY 4: Former Massachusetts governor and Republican presidential candidate Mitt Romney (R) shakes hands with a U.S. Marine while marching in a Fourth of July parade July 4, 2011 in Amherst, New Hampshire. Romney, considered the republican front runner, raised nearly $20 million in the second quarter. (Photo by Darren McCollester/Getty Images)

Mitt Romney Discusses The Economy At Campaign Event In Los Angeles

LOS ANGELES, CA - JULY 20: Republican presidential candidate and former Massachusetts Gov. Mitt Romney waves after speaking to supporters in front of vacant stores of the Valley Plaza shopping center to a campaign stop on July 20, 2011 in Los Angeles, California. Romney criticized President Barack Obama's handling of the economy during the brief campaign event. (Photo by Kevork Djansezian/Getty Images)

DES MOINES, IA - AUGUST 11: Voters put corn kernals into jars with their favorite Republican presidential candidates on the first day of the Iowa State Fair August 11, 2011 in Des Moines, Iowa. The candidates, including Mitt Romney, John Huntsman and Newt Gingrich, visited the fair ahead of Saturday's Iowa Straw Poll to greet voters and engage in traditional Iowa campaigning rituals. (Photo by Chip Somodevilla/Getty Images)

GOP Presidential Candidates Hold First Debate In Iowa

AMES, IA - AUGUST 11: Republican presidential candidates (L-R) former U.S. Senator Rick Santorum, businessman Herman Cain, Rep. Ron Paul (R-TX), former Massachusetts Governor Mitt Romney, Rep. Michele Bachmann (R-MN), former Minnesota Governor Tim Pawlenty, former Utah Governor Jon Huntsman and former Speaker of the House Newt Gingrich (R-GA) take the stage for a debate in the Stephens Auditorium at Iowa State University August 11, 2011 in Ames, Iowa. This is the first Republican presidential debate in the state ahead of Saturday's all important Iowa Straw Poll. (Photo by Chip Somodevilla/Getty Images)

GOP Presidential Candidates Hold First Debate In Iowa

AMES, IA - AUGUST 11: (L-R) Rep. Michele Bachmann (R-MN), former Minnesota governor Tim Pawlenty, businessman Herman Cain, former Massachusetts Governor Mitt Romney and former Utah governor Jon Huntsman shake hands after participating in a two-hour Republican presidential debate in the Stephens Auditorium at Iowa State University August 11, 2011 in Ames, Iowa. This is the first Republican presidential debate in the state ahead of Saturday's all important Iowa Straw Poll. (Photo by Chip Somodevilla/Getty Images)

GOP Presidential Candidates Hold First Debate In Iowa

AMES, IA - AUGUST 11: Former Massachusetts Governor Mitt Romney (L) shakes hands with former Speaker of the House Newt Gingrich (R-GA) after both men participated in a two-hour Republican presidential debate in the Stephens Auditorium at Iowa State University August 11, 2011 in Ames, Iowa. This is the first Republican presidential debate in the state ahead of Saturday's all important Iowa Straw Poll. (Photo by Chip Somodevilla/Getty Images)

Mitt Romney Attends Tea Party Rally In New Hampshire

CONCORD, NH - SEPTEMBER 04: A Tea Party supporter wears a dolphon costume in protest against former Massachusetts governor and republican candidate for president Mitt Romney during a Tea Party Express rally on September 4, 2011 in Concord, New Hampshire. Mitt Romney spoke to a crowd of about 200 Tea Party members during a Labor Day weekend rally. (Photo by Justin Sullivan/Getty Images)

Romney Hosts Labor Day Pancake Breakfast In New Hampshire

MANCHESTER, NH - SEPTEMBER 05: Former Massachusetts governor and Republican candidate for president Mitt Romney moves a stack of plates during a Labor Day pancake breakfast on September 5, 2011 in Manchester, New Hampshire. Mitt Romney hosted a pancake breakfast for hundreds of supporters. New Hampshire will hold the nation's first presidential primary in early 2012. (Photo by Justin Sullivan/Getty Images)

Romney Gives Major Economic Address

NORTH LAS VEGAS, NV - SEPTEMBER 06: Former Massachusetts Gov. and Republican presidential hopeful Mitt Romney speaks about his plan to increase jobs and boost the U.S. economy at McCandless International Trucks, Inc. September 6, 2011 in North Las Vegas, Nevada. Romney, who won the GOP presidential caucuses in Nevada in 2008, is introducing his plan two days ahead of President Barack Obama's scheduled jobs proposal speech to Congress. (Photo by Ethan Miller/Getty Images)

Romney Gives Major Economic Address

NORTH LAS VEGAS, NV - SEPTEMBER 06: Former Massachusetts Gov. and Republican presidential hopeful Mitt Romney speaks about his plan to increase jobs and boost the U.S. economy at McCandless International Trucks, Inc. September 6, 2011 in North Las Vegas, Nevada. Romney, who won the GOP presidential caucuses in Nevada in 2008, is introducing his plan two days ahead of President Barack Obama's scheduled jobs proposal speech to Congress. (Photo by Ethan Miller/Getty Images)

Romney Gives Major Economic Address

NORTH LAS VEGAS, NV - SEPTEMBER 06: Former Massachusetts Gov. and Republican presidential hopeful Mitt Romney speaks about his plan to increase jobs and boost the U.S. economy at McCandless International Trucks, Inc. September 6, 2011 in North Las Vegas, Nevada. Romney, who won the GOP presidential caucuses in Nevada in 2008, is introducing his plan two days ahead of President Barack Obama's scheduled jobs proposal speech to Congress. (Photo by Ethan Miller/Getty Images)

Romney Gives Major Economic Address

NORTH LAS VEGAS, NV - SEPTEMBER 06: Former Massachusetts Gov. and Republican presidential hopeful Mitt Romney holds up a copy of his plan to increase jobs and boost the U.S. economy while speaking at McCandless International Trucks, Inc. September 6, 2011 in North Las Vegas, Nevada. Romney, who won the GOP presidential caucuses in Nevada in 2008, is introducing his plan two days ahead of President Barack Obama's scheduled jobs proposal speech to Congress. (Photo by Ethan Miller/Getty Images)

(L-R) Republican presidential candidates

(L-R) Republican presidential candidates former US Senator Rick Santorum, former Speaker of the US House of Representatives Newt Gingrich, look on as US Representative Michelle Bachmann speaks while former Governor of Massachusetts Mitt Romney and Texas Governor Rick Perry listen during the Republican Presidential Candidates debate at the Ronald Reagan Presidential Library September 7, 2011 in Simi Valley, California. Republican candidates are debating to define the party's nominee to take on US President Barack Obama in the 2012 election. AFP PHOTO/ROBYN BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)

ORLANDO, FL - SEPTEMBER 23: Former Massachusetts Gov. and Republican presidential candidate Mitt Romney speaks at the Conservative Political Action Conference (CPAC) at the Orange County Convention Center, on September 23, 2011 in Orlando, Florida. Tomorrow the GOP presidential candidates will all participate the Florida straw poll. (Photo by Mark Wilson/Getty Images)

Mitt Romney Gives Foreign Policy Address At The Citadel

CHARLESTON, SC - OCTOBER 07: Former Massachusetts Gov. and Republican presidential candidate Mitt Romney stands with cadets after giving a foreign policy address at the Citadel on October 7, 2011 in Charleston, South Carolina. Romney spoke about the war in Afghanistan and other military topics. (Photo by Richard Ellis/Getty Images)

Mitt Romney Campaigns In New Hampshire

HOOKSETT, NH - OCTOBER 10: GOP presidential candidate Mitt Romney campaigns at Robie's Country Store, October 10, 2011 in Hooksett, New Hampshire. Romney and the rest of the crowded field of GOP candidates will square off in a debate tomorrow night at Dartmouth College. (Photo by Matthew Cavanaugh/Getty Images)

LEBANON, NH - OCTOBER 11: NJ Governor Chris Christie (L) speaks as he endorses former Massachusetts Gov. and Republican presidential hopeful Mitt Romney (R) on October 11, 2011 in Lebanon, New Hampshire. Romney is scheduled to meet other GOP candidates for a debate at Dartmouth College later this evening. (Photo by Justin Sullivan/Getty Images)

LEBANON, NH - OCTOBER 11: Former Massachusetts Gov. and Republican presidential hopeful Mitt Romney (R) shakes hands with NJ Governor Chris Christie after Christie endorsed him on October 11, 2011 in Lebanon, New Hampshire. Romney is scheduled to meet other GOP candidates for a debate at Dartmouth College later this evening. (Photo by Justin Sullivan/Getty Images)

Former Massachusetts governor Mitt Romne

Former Massachusetts governor Mitt Romney (L) listens as Rep. Ron Paul of Texas speaks during a presidential debate sponsored by Bloomberg and The Washington Post held at Dartmouth College in Hanover, New Hampshire, U.S., on Tuesday, Oct. 11, 2011. AFP PHOTO / Pool (Photo credit should read --/AFP/Getty Images)

Republican Presidential Candidates Debate On Economy In New Hampshire

HANOVER, NH - OCTOBER 11: Former Massachusetts Gov. Mitt Romney takes a drink during a break in the Republican Presidential debate hosted by Bloomberg and the Washington Post on October 11, 2011 at Dartmouth College in Hanover, New Hampshire. Eight GOP candidates met for the first debate of the 2012 campaign focusing solely on the economy. (Photo by Justin Sullivan/Getty Images)

Ann Romney, center, the wife of Mitt Rom

Ann Romney, center, the wife of Mitt Romney, former governor of Massachusetts, jokes with him during a presidential debate sponsored by Bloomberg and The Washington Post held at Dartmouth College in Hanover, New Hampshire, U.S., on Tuesday, Oct. 11, 2011. AFP PHOTO / Pool / Daniel ACKER (Photo credit should read DANIEL ACKER/AFP/Getty Images)

Mitt Romney, former governor of Massachu

Mitt Romney, former governor of Massachusetts, kisses his wife Ann Romney following a presidential debate sponsored by Bloomberg and The Washington Post held at Dartmouth College in Hanover, New Hampshire, U.S., on Tuesday, Oct. 11, 2011. AFP PHOTO / Pool (Photo credit should read -/AFP/Getty Images)

LAS VEGAS, NV - OCTOBER 17: Former Massachusetts Gov. and Republican presidential hopeful Mitt Romney jumps off the back of a pickup truck after speaking to supporters as he opens his Nevada campaign headquarters October 17, 2011 in Las Vegas, Nevada. Romney and six other presidential contenders will participate in a debate airing on CNN, sponsored by the Western Republican Leadership Conference in Las Vegas on October 18. (Photo by Ethan Miller/Getty Images)

Mitt Romney Opens Nevada Campaign Headquarters In Las Vegas

LAS VEGAS, NV - OCTOBER 17: (L-R) Nevada Lt. Gov. Brian Krolicki, former Minnesota Gov. Tim Pawlenty and former Massachusetts Gov. and Republican presidential hopeful Mitt Romney joke around as Romney opens his Nevada campaign headquarters October 17, 2011 in Las Vegas, Nevada. Romney and six other presidential contenders will participate in a debate airing on CNN, sponsored by the Western Republican Leadership Conference in Las Vegas on October 18. (Photo by Ethan Miller/Getty Images)

Romney Files Paperwork For NH Primary, Holds Rally

CONCORD, NEW HAMPSHIRE- OCTOBER 24: Republican presidential candidate former Massachusetts Gov. Mitt Romney greets former New Hampshire Governor John Sununu (R) outside the New Hampshire Statehouse after filing the necessary paperwork to be on the New Hampshire primary ballot October 24, 2011 at in Concord, New Hampshire. Romney picked up the endorsement of the former Governor. (Photo by Darren McCollester/Getty Images)

Romney Files Paperwork For NH Primary, Holds Rally

CONCORD, NEW HAMPSHIRE- OCTOBER 24: A protestor holds a sign outsde the New Hampshire Statehouse after Republican presidential candidate former Massachusetts Gov. Mitt Romney filed paperwork to be on the primary ballot October 24, 2011 in Concord, New Hampshire. Romney also picked up the endorsment of former New Hampshire Governor John Sununu (Photo by Darren McCollester/Getty Images)

Romney Files Paperwork For NH Primary, Holds Rally

CONCORD, NEW HAMPSHIRE- OCTOBER 24: Republican presidential candidate former Massachusetts Gov. Mitt Romney listens as former New Hampshire Governor John Sununu endorses him for President outside the Statehouse October 24, 2011 in Concord, New Hampshire. Romney also filed the paperwork necessary to be on the New Hampshire primary ballot. (Photo by Darren McCollester/Getty Images)

TROY, MI - NOVEMBER 10: Republican presidential candidate and former Massachusetts Governor Mitt Romney speaks to supporters during a rally at the American Polish Cultural Center on November 10, 2011 in Troy, Michigan. On Wednesday Romney squared off against the seven other leading GOP presidential candidates during a debate at Oakland University in Rochester, Michigan. (Photo by Scott Olson/Getty Images)

SPARTANBURG, SC - NOVEMBER 12: Republican presidential candidates (L-R) businessman Herman Cain, former Massachusetts Governor Mitt Romney, former Speaker of the House Newt Gingrich (R-GA), and Texas Governor Rick Perry acknowledge audience stand on the stage prior to a presidential debate at Wofford College November 12, 2011 in Spartanburg, South Carolina. The debate was focused on national security and foreign policy. (Photo by Alex Wong/Getty Images)

US Republican presidential hopeful Mitt Romney addresses the "Defending The American Dream Summit" organized by the conservative Americans For Prosperity (AFP) foundation in Washington on November 4, 2011. Romney on Friday laid out his vision for "simpler, smaller and smarter" government, vowing to raise the retirement age and eliminate federal agencies. Unveiling his plan to trim the US deficit by $500 billion by 2016, Romney said he would raise the retirement age for the next generation, cut bureaucracy and change the constitution to make balanced budgets compulsory. AFP PHOTO/Nicholas KAMM (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)

Former Massachusetts governor Mitt Romne

Former Massachusetts governor Mitt Romney (L) shakes hands with US businessman Herman Cain (2nd-L) on stage with former House speaker Newt Gingrich (2nd-R) and Minnesota Rep. Michele Bachmann (R) prior to the start of the Republican presidential debate on national security November 22, 2011 at the Daughters of the American Revolution (DAR) Constitution Hall in Washington, DC. The debate is being hosted by CNN in partnership with the Heritage Foundation and the American Enterprise Institute. AFP PHOTO / Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)

Former Utah governor Jon Huntsman (L) co

Former Utah governor Jon Huntsman (L) confers with former House speaker Newt Gingrich (C) and former Massachusetts governor Mitt Romney (R) prior to the start of the Republican presidential debate on national security November 22, 2011 at the Daughters of the American Revolution (DAR) Constitution Hall in Washington, DC. The debate is hosted by CNN in partnership with the Heritage Foundation and the American Enterprise Institute. AFP PHOTO / Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)

Republican presidential hopefuls listen

Republican presidential hopefuls listen to the American National Anthem prior to the start of the Republican presidential debate on national security November 22, 2011 at the Daughters of the American Revolution (DAR) Constitution Hall in Washington, DC. The debate is hosted by CNN in partnership with the Heritage Foundation and the American Enterprise Institute. From left are: Texas Gov. Rick Perry; former Massachusetts governor Mitt Romney; businessman Herman Cain and former House speaker Newt Gingrich. AFP PHOTO / Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)

Republican Jewish Coalition Hosts GOP Presidential Candidates Forum

WASHINGTON, DC - DECEMBER 07: Republican Presidential hopeful and former Massachusetts Gov. Mitt Romney speaks during the Republican Jewish Coalition 2012 Presidential Candidates Forum December 7, 2011 at Ronald Reagan Building and International Center in Washington, DC. All the major Republican presidential candidates, except for U.S. Rep. Ron Paul (R-TX), will participate in the event. (Photo by Alex Wong/Getty Images)

Republican Jewish Coalition Hosts GOP Presidential Candidates Forum

WASHINGTON, DC - DECEMBER 07: Republican Presidential hopeful and former Massachusetts Gov. Mitt Romney speaks during the Republican Jewish Coalition 2012 Presidential Candidates Forum December 7, 2011 at Ronald Reagan Building and International Center in Washington, DC. All the major Republican presidential candidates, except for U.S. Rep. Ron Paul (R-TX), will participate in the event. (Photo by Alex Wong/Getty Images)

CEDAR RAPIDS, IA - DECEMBER 09: Jose Vargas tries to ask a question during a town hall meeting held by Republican presidential hopeful and former Massachusetts Gov. Mitt Romney at Diamond V South Plant on December 9, 2011 in Cedar Rapids, Iowa. Romney is campaigning in the state one month before the Iowa caucuses and one day before the GOP presidential debate. (Photo by Kevork Djansezian/Getty Images)

Drake University Hosts ABC News GOP Presidential Debate

DES MOINES, IA - DECEMBER 10: (L-R) Texas Gov. Rick Perry talks with former Massachusetts Gov. Mitt Romney, while former Speaker of the House Newt Gingrich, U.S. Rep. Ron Paul (R-TX), and U.S. Rep. Michele Bachmann (R-MN) await for the start of the GOP debate on the campus of Drake University on December 10, 2011 in Des Moines, Iowa. Rivals were expected to target front runner Gingrich in the debate hosted by ABC News, Yahoo News, WOI-TV, The Des Moines Register and the Iowa GOP. (Photo by Kevork Djansezian/Getty Images)

Drake University Hosts ABC News GOP Presidential Debate

DES MOINES, IA - DECEMBER 10: Former Massachusetts Gov. Mitt Romney (L) and former speaker of the House Newt Gingrich, speak during the ABC News GOP Presidential debate on the campus of Drake University on December 10, 2011 in Des Moines, Iowa. Rivals were expected to target front runner Gingrich in the debate hosted by ABC News, Yahoo News, WOI-TV, The Des Moines Register and the Iowa GOP. (Photo by Kevork Djansezian/Getty Images)

Drake University Hosts ABC News GOP Presidential Debate

DES MOINES, IA - DECEMBER 10: Former Massachusetts Gov. Mitt Romney (R) extends his hand and bets $10,000 that Texas Gov. Rick Perry (L) is wrong about what Romney had written about a national healthcare mandate during the ABC News GOP Presidential debate on the campus of Drake University on December 10, 2011 in Des Moines, Iowa. Rivals were expected to target front runner Gingrich in the debate hosted by ABC News, Yahoo News, WOI-TV, The Des Moines Register and the Iowa GOP. (Photo by Kevork Djansezian/Getty Images)

Drake University Hosts ABC News GOP Presidential Debate

DES MOINES, IA - DECEMBER 10: Former speaker of the House Newt Gingrich (R) and former Massachusetts Gov. Mitt Romney speak during a break in the ABC News GOP Presidential debate on the campus of Drake University on December 10, 2011 in Des Moines, Iowa. Rivals were expected to target front runner Gingrich in the debate hosted by ABC News, Yahoo News, WOI-TV, The Des Moines Register and the Iowa GOP. (Photo by Kevork Djansezian/Getty Images)

Republican Presidential Debate Held In Sioux City

SIOUX CITY, IA - DECEMBER 15: Republican presidential candidates former U.S. Senator Rick Santorum (R-PA) (L) and former Massachusetts Gov. Mitt Romney chat following the Fox News Channel debate at the Sioux City Convention Center on December 15, 2011 in Sioux City, Iowa. The GOP contenders are in the final stretch of campaigning in Iowa where the January 3rd caucus is the first test the candidates must face before becoming the Republican presidential nominee. (Photo by Scott Olson/Getty Images)

Republican Presidential Debate Held In Sioux City

SIOUX CITY, IA - DECEMBER 15: Republican presidential candidates (L-R) former U.S. Senator Rick Santorum (R-PA), Texas Gov. Rick Perry, former Massachusetts Gov. Mitt Romney, former Speaker of the House Newt Gingrich, U.S. Rep. Ron Paul (R-TX), U.S. Rep. Michele Bachmann (R-MN), and former Utah Governor Jon Huntsman Jr. field questions during the Fox News Channel debate at the Sioux City Convention Center on December 15, 2011 in Sioux City, Iowa. The GOP contenders are in the final stretch of campaigning in Iowa where the January 3rd caucus is the first test the candidates must face before becoming the Republican presidential nominee. (Photo by Scott Olson/Getty Images)

Nikki Haley Joins Mitt Romney At Town Hall In Charleston

CHARLESTON, SC - DECEMBER 17: Republican presidential candidate former Massachusetts Gov. Mitt Romney (R) listens alongside South Carolina Gov. Nikki Haley during a town hall meeting at the Memminger Auditorium on December 17, 2011 in Charleston, South Carolina. Romney is attempting to boost the momentum of his campaign following the conservative endorsement of South Carolina Gov. Nikki Haley. (Photo by Richard Ellis/Getty Images)

Nikki Haley Joins Mitt Romney At Town Hall In Charleston

CHARLESTON, SC - DECEMBER 17: Republican presidential candidate former Massachusetts Gov. Mitt Romney (L) speaks alongside U.S. Rep. Tim Scott (R-SC) during a town hall meeting at the Memminger Auditorium on December 17, 2011 in Charleston, South Carolina. Romney is attempting to boost the momentum of his campaign following the conservative endorsement of South Carolina Gov. Nikki Haley. (Photo by Richard Ellis/Getty Images)

Activists of "occupy Iowa caucuses" disp

Activists of "occupy Iowa caucuses" display placards against republican presidential hopeful Mitt Romney in front of his Iowa campaign headquarters in Des Moines, Iowa on December 28, 2011. Romney received a boost Wednesday in the lead-up to the first nominating vote in the 2012 White House race as a new poll put him atop the pack of Republican hopefuls in Iowa. Romney, the former Massachusetts governor who lost out in 2008 to John McCain, is hoping that a win in Iowa on January 3 coupled with his expected victory in New Hampshire the following week will all but seal the nomination. AFP Photo/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/Getty Images)

MASON CITY, IA - DECEMBER 29: Former Massachusetts Governor and Republican presidential candidate Mitt Romney addresses a large group of supporters during a campaign event at Music Man Square December 29, 2011 in Mason City, Iowa. Recent state-wide polls put Romney and fellow candidate Rep. Ron Paul (R-TX) close going into next week's first-in-the-country Iowa Caucuses, a litmus test for the GOP hopefuls. (Photo by Chip Somodevilla/Getty Images)

Republican presidential hopeful Mitt Rom

Republican presidential hopeful Mitt Romney smiles during a campaign rally outside a grocery store in Des Moines, Iowa, on December 30, 2001. Romney on Friday ripped President Barack Obama over his annual Hawaii vacation, painting him as out of touch with Americans' economic suffering. Romney was speaking at a rally four days before this heartland state holds its presidential nominating caucus, the first battle in the state-by-state fight to pick a Republican challenger to Obama in the November 2012 elections. AFP Photo/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/Getty Images)

Mitt Romney Campaigns Throughout Iowa

WEST DES MOINES, IA - DECEMBER 30: Former Massachusetts Governor and Republican presidential candidate Mitt Romney (R) is joined New Jersey Governor Chris Christie for a campaign rally at a Hy Vee supermarket December 30, 2011 in West Des Moines, Iowa. Christie, a popular Republican governor who was urged to run for president earlier this year, appeared with Romney just days before the "first in the nation" Iowa Caucuses. (Photo by Chip Somodevilla/Getty Images)

Mitt Romney Makes Final Campaign Tour Through Iowa Ahead Of Caucuses

LE MARS, IA - DECEMBER 31: Former Massachusetts governor and Republican presidential candidate Mitt Romney (C) arrives for a campaign event at the Family Table Restaurant with (L-R) son Craig Romney, restaurant owner Chad Hogrede and Mayor Dick Kirchoff December 31, 2011 in Le Mars, Iowa. With the "first in the nation" Iowa Caucuses just days away, Romney is leading a large field of GOP presidential hopefuls, including a thin but growing edge over fellow candidate Rep. Ron Paul (R-TX). (Photo by Chip Somodevilla/Getty Images)

Mitt Romney Makes Final Campaign Tour Through Iowa Ahead Of Caucuses

SIOUX CITY, IA - DECEMBER 31: Former Massachusetts governor and Republican presidential candidate Mitt Romney congratulates newlyweds Alison Banwart and Seth Banwart of West Bend, Iowa, during a campaign event at the Stoney Creek Inn December 31, 2011 in Sioux City, Iowa. Photographers crowded the newly weds and the GOP frontrunner as they crossed paths in the lobby of the hotel. With the "first in the nation" Iowa Caucuses just days away, Romney is leading a large field of GOP presidential hopefuls, including a thin but growing edge over fellow candidate Rep. Ron Paul (R-TX). (Photo by Chip Somodevilla/Getty Images)

Mitt Romney And Supporters Attend Caucus Night Event

DES MOINES, IA - JANUARY 03: Republican presidential candidate, former Massachusetts Gov. Mitt Romney, speaks as his wife Ann Romney and their sons (L-R) Josh, Matt, Craig and Tagg look on at the Hotel Fort Des Moines on the night of the Iowa Caucuses January 3, 2012 in Des Moines, Iowa. According to early results former Romney is expected to finish first or second in today's Iowa GOP caucus after a tight race with former U.S. Sen. Rick Santorum and U.S. Rep. Ron Paul (R-TX). (Photo by Win McNamee/Getty Images)

Mitt Romney Takes His Presidential Campaign To New Hampshire

PETERBOROUGH, NH - JANUARY 04: Republican presidential candidate and former Massachusetts Governor Mitt Romney (L) and former presidential nominee U.S. Sen. John McCain (R-AZ) hold a campaign town hall meeting at the Peterborough Town House January 4, 2012 in Peterborough, New Hampshire. McCain announced his endorsement of Romney the day after Romney beat former U.S. Senator Rick Santorum by only eight votes in Tuesday's "first in the nation" Iowa Caucuses. (Photo by Chip Somodevilla/Getty Images)

Romney Brings His Campaign To South Carolina

CHARLESTON, SC - JANUARY 05: Republican presidential candidate, former Massachusetts Gov. Mitt Romney (R) listens to Sen. John McCain (R-AZ) (C) as South Carolina Gov. Nikki Haley looks on during a campaign event on January 5, 2012 in Charleston, South Carolina. Romney eked out an eight-vote victory in the Iowa Caucuses against former U.S. Sen. Rick Santorum. (Photo by Richard Ellis/Getty Images)

Romney Tours New Hampshire One Day Before GOP Primary

MANCHESTER, NH - JANUARY 09: Republican presidential candidate, former Massachusetts Gov. Mitt Romney (R) makes calls to likely voters at his New Hampshire campaign headquarters on January 9, 2012 in Manchester, New Hampshire. With one day to go before the New Hampshire primary, Mitt Romney is making one final campaign push through the state. (Photo by Justin Sullivan/Getty Images)

Mitt Romney Campaigns In Greer, South Carolina

GREER, SC - JANUARY 12: Republican presidential candidate, Mitt Romney, speaks to the media during a campaign stop at Cherokee Trikes & More on January 12, 2012 in Greer, South Carolina. Voters in South Carolina will head to the polls on January 21st to vote in the primary election to pick their choice for U.S. presidential candidate. (Photo by Mark Wilson/Getty Images)

Romney Holds Forum At American Legion Post In South Carolina

SUMTER, SC - JANUARY 14: Jim Wilson pulls along a sign showing his support for Republican presidential candidate, former Massachusetts Gov. Mitt Romney during a campaign rally at American Legion post 15 on January 14, 2012 in Sumter, South Carolina. Romney continues to campaign for votes in South Carolina ahead of their primary on January 21st. (Photo by Joe Raedle/Getty Images)

MYRTLE BEACH, SC - JANUARY 16: Republican presidential candidates (L-R) Texas Gov. Rick Perry, former U.S. Sen. Rick Santorum of Pennsylvania, former Massachusetts Gov. Mitt Romney, former U.S. House Speaker Newt Gingrich and U.S. Rep. Ron Paul (R-TX) look over their notes before participating in a Fox News, Wall Street Journal sponsored debate at the Myrtle Beach Convention Center on January 16, 2012 in Myrtle Beach, South Carolina. Voters in South Carolina will head to the polls on January 21 to vote in the Republican primary election to pick their choice for U.S. presidential candidate. (Photo by Joe Raedle/Getty Images)

FLORENCE, SC - JANUARY 17: Republican presidential candidate, former Massachusetts Gov.Mitt Romney walks to greet people after speaking to the media during a campaign rally on January 17, 2012 in Florence, South Carolina. Romney continues to campaign for votes in South Carolina ahead of their primary on January 21. (Photo by Joe Raedle/Getty Images)

GILBERT, SC - JANUARY 20: People wait to listen to Republican presidential candidate, former Massachusetts Gov. Mitt Romney during a campaign rally at Barn, Harmon Tree Farm on January 20, 2012 in Gilbert, South Carolina. Romney continues to campaign for votes in South Carolina ahead of their primary on January 21st. (Photo by Joe Raedle/Getty Images)

A Republican presidential hopeful Mitt R

A Republican presidential hopeful Mitt Romney supporter shows that she voted in South Carolina's primary as she awaits his arrival at his party headquarters in Greenville, South Carolina, January 21, 2012. South Carolina holds its Republican primary on January 21, 2012. AFP PHOTO/Emmanuel Dunand (Photo credit should read EMMANUEL DUNAND/AFP/Getty Images)

Republican presidential hopeful Mitt Rom

Republican presidential hopeful Mitt Romney arrives to deliver a speech ahead of the State of the Union presidential address at National Gypsum Company in Tampa, Florida, January 24, 2012. Florida will hold its Republican primary on January 31, 2012. AFP PHOTO/Emmanuel Dunand (Photo credit should read EMMANUEL DUNAND/AFP/Getty Images)

GOP Presidential Candidate Mitt Romney Campaigns In Florida

LEHIGH ACRES, FL - JANUARY 24: Republican presidential candidate and former Massachusetts Gov. Mitt Romney greets supporters as he arrives for a campaign event in front of a foreclosed home January 24, 2012 in Lehigh Acres, Florida. Romney continued his criticism of U.S. President Barack Obama before his State of the Union speech tonight. (Photo by Chip Somodevilla/Getty Images)

GOP Presidential Candidate Mitt Romney Campaigns In Florida

LEHIGH ACRES, FL - JANUARY 24: A young man wears a hand-decorated t-shirt during an event with Republican presidential candidate and former Massachusetts Gov. Mitt Romney January 24, 2012 in Lehigh Acres, Florida. Romney continued his criticism of U.S. President Barack Obama before his State of the Union speech tonight. (Photo by Chip Somodevilla/Getty Images)

A dog wears a tag bearing the name of Re

A dog wears a tag bearing the name of Republican presidential hopeful Mitt Romney as Romney speaks at a "Florida housing event" in front of a foreclosed house in Lehigh, Florida, January 24, 2012. Florida will hold its Republican primary on January 31, 2012. AFP PHOTO/Emmanuel Dunand (Photo credit should read EMMANUEL DUNAND/AFP/Getty Images)

Romney Attends US-Cuba Democracy PAC Event

MIAMI, FL - JANUARY 25: Former member of Congress Lincoln Diaz-Balart (R-FL) (R) translates from the Spanish to English for Republican presidential candidate and former Massachusetts Gov. Mitt Romney as House Foreign Affairs Committee Chair Ileana Ros-Lehtinen (R- FL) addresses the US-Cuba Democracy political action committee during a campaign event January 25, 2012 in Miami, Florida. Romney is campaigning in Florida ahead of next Tuesday's state primary. (Photo by Chip Somodevilla/Getty Images)

JACKSONVILLE, FL - JANUARY 26: Republican presidential candidate and former Massachusetts Gov. Mitt Romney (R) walks under a sign during a campaign event at Paramount Printing January 26, 2012 in Washington, DC. Romney spoke at the printing business because President and CEO John Cummins said health care costs, Occupational Safety and Hazard Agency regulations, the loss of business and other factors have forced the company to close. Recent polls show that Romney and fellow GOP candidate, former Speaker of the House Newt Gingrich (R-GA), are in a statistical tie heading into next Tuesday's Florida primary. (Photo by Chip Somodevilla/Getty Images)

JACKSONVILLE, FL - JANUARY 30: A kid holds a sign over his head as Republican presidential candidate and former Massachusetts Gov. Mitt Romney speaks during a rally with supporters at the Ring Power Lift Trucks January 30, 2012 in Jacksonville, Florida. Romney is campaigning across the state ahead of the January 31 Florida primary. (Photo by Joe Raedle/Getty Images)

Mitt Romney Holds Florida Night Party in Tampa

TAMPA, FL - JANUARY 31: Supporters cheer as polls close and Republican presidential candidate, former Massachusetts Gov. Mitt Romney is called the winner of the Florida primary on a Fox News broadcast being shown at the candidate's primary night party at the Tampa Convention Center on January 31, 2012 in Tampa, Florida. According to early results Romney defeated former Speaker of the House Newt Gingrich, former U.S. Sen. Rick Santorum and U.S. Rep. Ron Paul (R-TX) to win Florida's primary. (Photo by T.J. Kirkpatrick/Getty Images)

Donald Trump Endorses GOP Candidate Mitt Romney In Las Vegas

LAS VEGAS, NV - FEBRUARY 02: Republican presidential candidate, former Massachusetts Gov. Mitt Romney (L) and Donald Trump shake hands during a news conference held by Trump to endorse Romney for president at the Trump International Hotel & Tower Las Vegas February 2, 2012 in Las Vegas, Nevada. Romney came in first in the Florida primary on January 31 and is looking ahead to Nevada's caucus on February 4. (Photo by Ethan Miller/Getty Images)

Donald Trump Endorses GOP Candidate Mitt Romney In Las Vegas

LAS VEGAS, NV - FEBRUARY 02: (L-R) Ann Romney looks on as Donald Trump and Republican presidential candidate, former Massachusetts Gov. Mitt Romney shake hands during a news conference held by Trump to endorse Mitt Romney for president at the Trump International Hotel & Tower Las Vegas February 2, 2012 in Las Vegas, Nevada. Romney came in first in the Florida primary on January 31 and is looking ahead to Nevada's caucus on February 4. (Photo by Ethan Miller/Getty Images)

IN FLIGHT- FEBRUARY 04: Republican presidential candidate former Massachusetts Gov. Mitt Romney talks with staff aboard his campaign plane while enroute to Las Vegas, Nevada on February 4, 2012. On the day of the Nevada caucus, Mitt Romney traveled to Colorado for a campaign rally ahead of the Colorado primary. (Photo by Justin Sullivan/Getty Images)

CENTENNIAL, CO - FEBRUARY 6: Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks during an appearance at a Grassroots Rally at Arapahoe High School on February 6, 2012 in Centennial, Colorado. The rally was free and open to the public. (Photo by Marc Piscotty/Getty Images)

MESA, AZ - FEBRUARY 13: Protesters demonstrate before Republican presidential candidate, former Massachusetts Gov. Mitt Romney attends a Get out the Vote Rally February 13, 2012 in Mesa, Arizona. Romney spoke to a crowd of more than 2,000 people, and is the first contender to visit the state prior to the primary on February 22, 2012. (Photo by Eric Thayer/Getty Images)

GOP Candidate Mitt Romney Campaigns In Michigan

FARMINGTON HILLS, MI - FEBRUARY 16: Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks to supporters at The Greater Farmington Area Chamber of Commerce luncheon February 16, 2012 in Farmington Hills, Michigan. Romney was campaigning in Michigan ahead of the state's February 28 primary. (Photo by J.D. Pooley/Getty Images)